2560746747 has 16 divisors (see below), whose sum is σ = 3714882080. Its totient is φ = 1559596032.

The previous prime is 2560746739. The next prime is 2560746751. The reversal of 2560746747 is 7476470652.

It is a happy number.

It is not a de Polignac number, because 2560746747 - 2³ = 2560746739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2560746696 and 2560746705.

It is not an unprimeable number, because it can be changed into a prime (2560746347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334672 + ... + 342237.

It is an arithmetic number, because the mean of its divisors is an integer number (232180130).

Almost surely, 2^2560746747 is an apocalyptic number.

2560746747 is a deficient number, since it is larger than the sum of its proper divisors (1154135333).

2560746747 is a wasteful number, since it uses less digits than its factorization.

2560746747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677022.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The square root of 2560746747 is about 50603.8214663675. The cubic root of 2560746747 is about 1368.1137568487.

The spelling of 2560746747 in words is "two billion, five hundred sixty million, seven hundred forty-six thousand, seven hundred forty-seven".